Posted by ijay| Posted at Nov 08, 2019 | Categories:
Mathematics

Answers

MickieGelormino111

5, 8, 11, ... is an arithmetic sequence where:
[latex]a_1=5; a_2=8; d=8-5=3\\a_n=a_1+(n-1)d o a_n=5+(n-1)cdot3=5+3n-3=2+3n\\therefore\\a_{122}=2+3cdot122=2+366=368[/latex]

5, 8, 11, ... is an arithmetic sequence where: [latex]a_1=5; a_2=8; d=8-5=3\\a_n=a_1+(n-1)d o a_n=5+(n-1)cdot3=5+3n-3=2+3n\\therefore\\a_{122}=2+3cdot122=2+366=368[/latex]